using filters or firewalls

using filters or firewalls · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH04W12/088
Official titleusing filters or firewalls
Display labelusing filters or firewalls
Total patents1,825

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
2015147
2016184
2017155
2018169
2019155
2020152
2021142
2022217
2023173
2024169
2025128
202634

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H04W12/088?
CPC H04W12/088 is the Cooperative Patent Classification code for “using filters or firewalls.”
How many patents are filed under CPC H04W12/088 (using filters or firewalls)?
Our database includes 1,825 publications tagged with this CPC code.
Is patent activity under CPC H04W12/088 growing?
Publication counts under this code: 169 in 2024 vs 128 in 2025 (latest complete years).